Category: Systematic review

Is vitamin C effective in treating the common cold?

Hemilä H, Chalker E, Douglas B. Cochrane Database of Systematic Reviews 2007, Issue 3. Art. No.: CD000980.
Oral vitamin C is not an effective treatment for the common cold in the general community.

Permanent link to this article: https://evidencebasedmedicine.com.au/?p=1573

How can we treat hangovers?

Pittler MH, Verster JC, Ernst E. BMJ 2005; 331: 1515
There is no convincing evidence of the effectiveness of any hangover treatments.

Permanent link to this article: https://evidencebasedmedicine.com.au/?p=1569

Zinc for the common cold

Singh M, Das RR. Zinc for the common cold. Cochrane Database of Systematic Reviews 2011, Issue 2. Art. No.: CD001364
Zinc administered within 24 hours of the symptoms of a common cold is associated with favourable outcomes but with some side-effects.

Permanent link to this article: https://evidencebasedmedicine.com.au/?p=1393

Deaths after chiropractic upper cervical spine manipulation

Ernst E. Deaths after chiropractic: a review of published cases. Int J Clin Pract, July 2010; 64(8): 1162-5
Chiropractic, specifically, high-velocity, short-lever thrusts of the upper spine with rotation is associated with numerous deaths.

Permanent link to this article: https://evidencebasedmedicine.com.au/?p=1312

Cannabis use and earlier onset of psychosis

Large M, et al. Cannabis use and earlier onset of psychosis. Arch Gen Psychiatry 2011: published online 7 February 2011
Cannabis may be causally related to psychotic illness but the evidence remains unclear.

Permanent link to this article: https://evidencebasedmedicine.com.au/?p=1280

Cardiovascular safety of NSAIDs

Trelle S, et al. Cardiovascular safety of non-steroidal anti-inflammatory drugs: network meta-analysis. BMJ 2011; 342:c7086
Non-steroidal anti-inflammatory drugs (NSAIDs) appear to be associated with increased cardiovascular risks.

Permanent link to this article: https://evidencebasedmedicine.com.au/?p=1173

Daily aspirin on long-term risk of death due to cancer

Rothwell PM, et al. Effect of daily aspirin on long-term risk of death due to cancer: analysis of individual patient data from randomised trials. Lancet 2011; 377(9759): 31-41
Daily aspirin (≥ 75 mg) taken by participants in cardiovascular studies reduced the risk of cancer death.

Permanent link to this article: https://evidencebasedmedicine.com.au/?p=723

Antihypertensive drugs and the risk of cancer

Bangalore S, et al. Antihypertensive drugs and risk of cancer: network meta-analyses and trial sequential analyses of 324,168 participants from randomised trials. Lancet Oncol (2010)
Antihypertensive drugs do not appear to increase cancer risk or cancer-related deaths.

Permanent link to this article: https://evidencebasedmedicine.com.au/?p=549

Glucosamine and/or chondroitin for osteoarthritis

Wandel S, et al. Effects of glucosamine, chondroitin, or placebo in patients with osteoarthritis of hip or knee: network meta-analysis. BMJ 2010;341:c4675
Glucosamine, chondroitin and their combination do not improve pain or reduce joint space loss in osteoarthritis of the hip or knee.

Permanent link to this article: https://evidencebasedmedicine.com.au/?p=270

Drug company information and physicians’ prescribing

Spurling GK, et al. Information from pharmaceutical companies and the quality, quantity and cost of physicians’ prescribing: a systematic review. PLoS Med, 2010; 7(10)
Exposure does not improve prescribing quality, reduce prescribing frequency or reduce prescribing costs.

Permanent link to this article: https://evidencebasedmedicine.com.au/?p=265

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